Byte Brothers’ Low Voltage Pro tester model 3 enables users to test all wire/cable types—phone, coaxial, Cat 5/6, alarm and structured—and use built-in return-loss-quality tests for load mismatches. Twelve apps are available: print results, battery load, CCTV signal, phone volts, PoE volts, 10/100/1,000, length-RLQ pack, alert LEDs, tone locator, port blink, speaker POP, speaker 7.1 ID, wall jack ID, and cable test pack.